The effect of hot bending and thermal ageing on creep and microstructure evolution in thick-walled P92 steel pipe

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F15%3A00450058" target="_blank" >RIV/68081723:_____/15:00450058 - isvavai.cz</a>
Alternative codes found
RIV/60193247:_____/15:UJP1686D
Result on the web
<a href="http://dx.doi.org/10.1016/j.msea.2015.07.072" target="_blank" >http://dx.doi.org/10.1016/j.msea.2015.07.072</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.msea.2015.07.072" target="_blank" >10.1016/j.msea.2015.07.072</a>

Result language
angličtina
Original language name
The effect of hot bending and thermal ageing on creep and microstructure evolution in thick-walled P92 steel pipe
Original language description
In this work, the creep behaviour of an actual thick-walled P92 steel pipe bent was investigated at 600 and 650 °C. Creep specimens were machined from the bend at different positions. In order to simulate long-term service conditions, isothermal ageing at 650°C for 10,000 h was applied before creep exposures. The results performed on creep specimens extracted from the intrados and extrados of the pipe falling to the scatter band of the base P92 steel average line. No substantial differences were found at different positions of the pipe in the main creep characteristic. However, significant detrimental effects on the creep resistance of the pipe were found after long- term static thermal ageing due to the microstructural instability of the material. Thelarge Laves phase particles, which coarsened during ageing and creep testing, served as preferential sites for cavity nucleation leading to an accelerated tertiary stage of creep and/or premature creep fracture. Activation analysis of th
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JG - Metallurgy, metal materials
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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